A puppeteer and carpenter joined together to explore the possibilities of making functional prosthetics using a number of recent technologies, including Skype, file sharing tools, and 3D printing. Their work has had major impacts among the community of children born without digits due to amniotic band syndrome.

Listen to this story by NPR to hear these "Robo-Hands" can offer a prosthetic for as little as $5 in material costs.

Note, this story is downloadable in text and audio formats directly from NPR's website.